Diameter - Wikipedia In geometry, a diameter of a circle is any straight line segment that passes through the centre of the circle and whose endpoints lie on the circle It can also be defined as the longest chord of the circle Both definitions are also valid for the diameter of a sphere In more modern usage, the length of a diameter is also called the diameter
Diameter of a Circle - Definition, Examples | Diameter Formula Diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints lie on the circumference of a circle Learn how to find the diameter of a circle using radius, circumference, and area
3 Ways to Calculate the Diameter of a Circle - wikiHow The diameter of a circle is the distance straight across the circle from one side to the other at its center Depending on what other information you have about the circle, there are a few different ways to calculate the diameter
Diameter Definition Meaning | Britannica Dictionary DIAMETER meaning: 1 : a straight line from one side of something (such as a circle) to the other side that passes through the center point; 2 : the distance through the center of something from one side to the other